<template>
	<view class="content">
		<view class="search-box">
			<!-- mSearch组件 如果使用原样式，删除组件元素-->
			<!-- <mSearch class="mSearch-input-box" :mode="2" button="inside" :placeholder="defaultKeyword" @search="doSearch(false)" @input="inputChange" @confirm="doSearch(false)" v-model="keyword"></mSearch> -->
			<!-- 原样式 如果使用原样式，恢复下方注销代码 -->
									
			<view class="input-box">
				<input type="text" :adjust-position="true" :placeholder="defaultKeyword" @input="inputChange" v-model="keyword" @confirm="doSearch(false)"
				 placeholder-class="placeholder-class" confirm-type="search">
			</view>
			<view class="search-btn" @tap="doSearch(false)">搜索</view> 
			
			<!-- 原样式 end -->
		</view>
		<view class="search-keyword" >
			<scroll-view class="keyword-list-box" v-show="isShowKeywordList" scroll-y>
				<block v-for="(row,index) in keywordList" :key="index">
					<view class="keyword-entry" hover-class="keyword-entry-tap" >
						<view class="keyword-text" @tap.stop="doSearch(keywordList[index].keyword)">
							<rich-text :nodes="row.htmlStr"></rich-text>
						</view>
						<view class="keyword-img" @tap.stop="setKeyword(keywordList[index].keyword)">
							<image src="/static/HM-search/back.png"></image>
						</view>
					</view>
				</block>
				
			</scroll-view>
			<scroll-view class="keyword-box" v-show="!isShowKeywordList" scroll-y>
				<view class="keyword-block" v-if="oldKeywordList.length>0">
					<view class="keyword-list-header">
						<view>历史搜索</view>
						<view>
							<image @tap="oldDelete" src="/static/HM-search/delete.png"></image>
						</view>
					</view>
					<view class="keyword">
						<view v-for="(keyword,index) in oldKeywordList" @tap="doSearch(keyword)" :key="index">{{keyword}}</view>
					</view>
				</view>
				<view class="keyword-block">
					<view class="keyword-list-header">
						<view>热门搜索</view>
						<view>
							<image @tap="hotToggle" :src="'/static/HM-search/attention'+forbid+'.png'"></image>
						</view>
					</view>
					<view class="keyword" v-if="forbid==''">
						<view v-for="(keyword,index) in hotKeywordList" @bindtap="doSearch(keyword)" :key="index">{{keyword}}</view>
					</view>
					<view class="hide-hot-tis" v-else>
						<view>当前搜热门搜索已隐藏</view>
					</view>
				</view>
			</scroll-view>
		</view>
	</view>
</template>

<script>
	//引用mSearch组件，如不需要删除即可
		import mSearch from '@/components/mehaotian-search-revision/mehaotian-search-revision.vue';
		export default {
			data() {
				return {
					defaultKeyword: "",
					keyword: "",
					oldKeywordList: [],
					hotKeywordList: [],
					keywordList: [],
					forbid: '',
					isShowKeywordList: false
				}
			},
			onLoad() {
				this.init();
			},
			components: {
				//引用mSearch组件，如不需要删除即可
				mSearch
			},
			methods: {
				init() {
					this.loadDefaultKeyword();
					this.loadOldKeyword();
					this.loadHotKeyword();
					
				},
						blur(){
							uni.hideKeyboard()
						},
						//加载默认搜索关键字
						loadDefaultKeyword() {
							//定义默认搜索关键字，可以自己实现ajax请求数据再赋值,用户未输入时，以水印方式显示在输入框，直接不输入内容搜索会搜索默认关键字
							this.defaultKeyword = "输入搜索内容";
						},
						//加载历史搜索,自动读取本地Storage
						loadOldKeyword() {
							uni.getStorage({
								key: 'OldKeys',
								success: (res) => {
									var OldKeys = JSON.parse(res.data);
									this.oldKeywordList = OldKeys;
								}
							});
						},
						//加载热门搜索
						loadHotKeyword() {
							//定义热门搜索关键字，可以自己实现ajax请求数据再赋值
							this.hotKeywordList = ['茶艺妆', '瘦肚子', '圣诞出街', '学生妆', '美妆刷', '身体乳', '面霜', '面膜', '美甲'];
						}, 
						//监听输入
						inputChange(event) {
							//兼容引入组件时传入参数情况
							var keyword = event.detail?event.detail.value:event;
							if (!keyword) {
								this.keywordList = [];
								this.isShowKeywordList = false;
								return;
							}
							this.isShowKeywordList = true;
							//以下示例截取淘宝的关键字，请替换成你的接口
							// uni.request({
							// 	url: 'https://suggest.taobao.com/sug?code=utf-8&q=' + keyword, //仅为示例
							// 	success: (res) => {
							// 		this.keywordList = [];
							// 		this.keywordList = this.drawCorrelativeKeyword(res.data.result, keyword);
									
							// 	}
							// });
						},
						//高亮关键字
						drawCorrelativeKeyword(keywords, keyword) {
							var len = keywords.length,
								keywordArr = [];
							for (var i = 0; i < len; i++) {
								var row = keywords[i];
								//定义高亮#9f9f9f
								var html = row[0].replace(keyword, "<span style='color: #9f9f9f;'>" + keyword + "</span>");
								html = '<div>' + html + '</div>';
								var tmpObj = {
									keyword: row[0],
									htmlStr: html
								};
								keywordArr.push(tmpObj)
							}
							return keywordArr;
						},
						//顶置关键字
						setKeyword(index) {
							this.keyword = this.keywordList[index].keyword;
						},
						//清除历史搜索
						oldDelete() {
							uni.showModal({
								content: '确定清除历史搜索记录？',
								success: (res) => {
									if (res.confirm) {
										console.log('用户点击确定');
										this.oldKeywordList = [];
										uni.removeStorage({
											key: 'OldKeys'
										});
									} else if (res.cancel) {
										console.log('用户点击取消');
									}
								}
							});
						},
						//热门搜索开关
						hotToggle() {
							this.forbid = this.forbid ? '' : '_forbid';
						},
						//执行搜索
						doSearch(keyword) {
							keyword = keyword===false?this.keyword:keyword;
							this.keyword = keyword;
							if(keyword == ''){
								uni.showToast({
									title: '请输入内容',
									icon: 'none',
									duration: 2000
								});
							}else{
								this.saveKeyword(keyword); //保存为历史
								uni.navigateTo({
									url:'pages/tabBar/home/home'
								});
							}
							
							//以下是示例跳转淘宝搜索，可自己实现搜索逻辑
							/*
							//#ifdef APP-PLUS
							plus.runtime.openURL(encodeURI('taobao://s.taobao.com/search?q=' + keyword));
							//#endif
							//#ifdef H5
							window.location.href = 'taobao://s.taobao.com/search?q=' + keyword
							//#endif
							*/
						},
						//保存关键字到历史记录
						saveKeyword(keyword) {
							uni.getStorage({
								key: 'OldKeys',
								success: (res) => {
									var OldKeys = JSON.parse(res.data);
									var findIndex = OldKeys.indexOf(keyword);
									if (findIndex == -1) {
										OldKeys.unshift(keyword);
									} else {
										OldKeys.splice(findIndex, 1);
										OldKeys.unshift(keyword);
									}
									//最多10个纪录
									OldKeys.length > 10 && OldKeys.pop();
									uni.setStorage({
										key: 'OldKeys',
										data: JSON.stringify(OldKeys)
									});
									this.oldKeywordList = OldKeys; //更新历史搜索
								},
								fail: (e) => {
									var OldKeys = [keyword];
									uni.setStorage({
										key: 'OldKeys',
										data: JSON.stringify(OldKeys)
									});
									this.oldKeywordList = OldKeys; //更新历史搜索
								}
							});
						}
					}
				}
</script>

<style>
	view{display:block;}
	.search-box {width:95%;background-color:rgb(242,242,242);padding:15upx 2.5%;display:flex;justify-content:space-between;position:sticky;top: 0;}
	.search-box .mSearch-input-box{width: 100%;}
	.search-box .input-box {width:85%;flex-shrink:1;display:flex;justify-content:center;align-items:center;}
	.search-box .search-btn {width:15%;margin:0 0 0 2%;display:flex;justify-content:center;align-items:center;flex-shrink:0;font-size:28upx;color:#fff;background:linear-gradient(to right,#4DD964,#4DD964);border-radius:60upx;}
	.search-box .input-box>input {width:100%;height:60upx;font-size:32upx;border:0;border-radius:60upx;-webkit-appearance:none;-moz-appearance:none;appearance:none;padding:0 3%;margin:0;background-color:#ffffff;}
	.placeholder-class {color:#9e9e9e;}
	.search-keyword {width:100%;background-color:rgb(242,242,242);}
	.keyword-list-box {height:calc(100vh - 110upx);padding-top:10upx;border-radius:20upx 20upx 0 0;background-color:#fff;}
	.keyword-entry-tap {background-color:#eee;}
	.keyword-entry {width:94%;height:80upx;margin:0 3%;font-size:30upx;color:#333;display:flex;justify-content:space-between;align-items:center;border-bottom:solid 1upx #e7e7e7;}
	.keyword-entry image {width:60upx;height:60upx;}
	.keyword-entry .keyword-text,.keyword-entry .keyword-img {height:80upx;display:flex;align-items:center;}
	.keyword-entry .keyword-text {width:90%;}
	.keyword-entry .keyword-img {width:10%;justify-content:center;}
	.keyword-box {height:calc(100vh - 110upx);border-radius:20upx 20upx 0 0;background-color:#fff;}
	.keyword-box .keyword-block {padding:10upx 0;}
	.keyword-box .keyword-block .keyword-list-header {width:94%;padding:10upx 3%;font-size:27upx;color:#333;display:flex;justify-content:space-between;}
	.keyword-box .keyword-block .keyword-list-header image {width:40upx;height:40upx;}
	.keyword-box .keyword-block .keyword {width:94%;padding:3px 3%;display:flex;flex-flow:wrap;justify-content:flex-start;}
	.keyword-box .keyword-block .hide-hot-tis {display:flex;justify-content:center;font-size:28upx;color:#6b6b6b;}
	.keyword-box .keyword-block .keyword>view {display:flex;justify-content:center;align-items:center;border-radius:60upx;padding:0 20upx;margin:10upx 20upx 10upx 0;height:60upx;font-size:28upx;background-color:rgb(242,242,242);color:#6b6b6b;}
</style>
